Injection Mold Manufacturer for Plastic Caps & Closures

Custom mold design and tooling development for industrial caps, closures, and PET preforms — from engineering to mass production.

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From Mold to Finished Plastic Caps

Designed, molded, and manufactured under one roof.

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Precision Closures for Industrial Liquids

Built for secure sealing, smooth dispensing, and reliable performance.

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Built for Today. Responsible for Tomorrow.

Reliable closure solutions designed with performance and sustainability in mind.

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Mold Manufacturing & Plastic Closure Solutions

Fanxun specializes in designing and manufacturing injection molds, plastic caps, closures, and PET preforms for industrial packaging applications. By combining in-house mold development with integrated production capabilities, we support customers throughout the product development process, from initial concept and tooling design to mass production and quality control.

Our solutions are engineered for secure sealing, leak-proof performance, and reliable functionality across lubricant, chemical, food, and beverage packaging applications. Whether you require a custom closure design or a dependable manufacturing partner, we provide practical solutions that help bring products to market efficiently and reliably.

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User-Friendly Closure Design

Designed for Convenience and Everyday Use

A well-designed closure does more than simply seal a package. Fanxun creates plastic caps and closures that offer secure sealing, easy opening, and controlled dispensing, all aimed at enhancing the user experience. Our solutions make products easier to use while ensuring reliable protection during transportation, storage, and daily handling.

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Product Integrity

Innovative Solutions

Fanxun specializes in developing plastic caps and closures that feature tamper-evident designs, secure sealing systems, and reliable dispensing mechanisms. Our closure solutions are designed to protect product integrity, minimize the risk of leakage, contamination, or misuse, and instill greater confidence in both brands and end users.

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Customization & Decoration

Custom Closures Designed for Brand Recognition

Fanxun provides customized plastic caps and closures with flexible decoration options, such as custom colors, logo embossing, printing, and surface finishes. Our solutions enhance brand recognition while delivering the quality, functionality, and consistency required for modern packaging applications.

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Sustainability

Supporting More Sustainable Packaging Solutions

Fanxun is dedicated to promoting sustainable packaging through efficient design and responsible manufacturing practices. By optimizing closure designs and production methods, we help customers reduce material waste while ensuring the performance, safety, and reliability required for modern packaging applications.

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Operational Excellence

Precision Manufacturing from Mold to Production

Recent years have shown the importance of a robust and flexible supply chain. At Fanxun, our local production facilities are supported by a global network that can quickly pivot and respond to market conditions to maximize the return on your investment.

Find the Perfect Cap for Your Product

Browse our range of standard and custom closures. From size and material to color and finish—we help you find the right fit for your bottle. Need something specific? Contact our team to discuss your requirements.

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Your Mold. Your Cap. One Trusted Partner.

At Fanxun, we’re your trusted partner from concept to production. Whether you need stock caps or a custom mold solution, we guide you through every step—design, tooling, sampling, and mass production. Our focus on quality, precision, and sustainable materials ensures your product meets the highest standards for performance and reliability.

Food
Beverages
Industrial
Home Care, Pharma & Supplies
Wine & Spirits

Serving the World, From Our Factory to Yours

Fanxun combines manufacturing excellence with a global outlook. With 20+ automated production lines, in-house tooling capabilities, and a supply chain that reaches clients across 50+ countries, we deliver custom caps and molds with consistency and speed. Our team is ready to support your project—wherever you are.

Advanced Machinery Fleet

Fanxun boasts 70+ state-of-the-art production machines, all brand new and constantly upgraded for peak performance.

70+ Production Units 100% New Equipment Regular Upgrades
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High-Efficiency Molding

Fanxun partners with leading mold manufacturers to deliver precision tooling with faster lead times and consistent quality.

1.5× Faster Lead Time 1,000+ Mold Sets Available Precision-Engineered Tooling
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Fully Automated Production

Full automation from molding to inspection. Fewer errors. Faster delivery. Scalable production.

Less Errors & Delays Automatic Visual Inspection Scalable Manufacturing
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Stringent Quality Assurance

4-phase quality checks. 5S management. Pressure & tightness testing. 100% fully inspected — every batch, every cap.

5S Management Pressure & Tightness Inspection 100% Inspection Rate
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WHO WE ARE

Professional Caps & Closures Manufacturer

As a caps manufacturing expert with over 30 years of industry experience, we leverage 20+ automated production lines and advanced molding technologies to deliver efficient and reliable closure solutions. Our product range spans food-grade caps, cosmetic pumps & flip-tops, pharmaceutical child-resistant caps, and industrial closures—crafted from premium PE, PP, and eco-friendly materials—to meet the diverse needs of beverage, beauty, healthcare, and industrial applications.

From standard screw caps to high-precision custom closures, we strictly adhere to international certification standards such as ISO9001 and FDA, ensuring superior sealing, leak-proof performance, and material safety. We also offer personalized customization services including color matching, logo printing, and mold development—flexibly supporting bulk orders, special specifications, and just-in-time delivery—empowering our clients to enhance their brand value.

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